BibTeX

@ARTICLE{iumj18061,
    author = "R. O'Malley, Jr.",
     title = "Boundary Value Problems for Linear Systems of Ordinary Differential Equations Involving Many Small Parameters",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 18,
      year = 1969,
     issue = 9,
     pages = "835--855",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj18061}{article}{
     author = {O'Malley, Jr., R.},
      title = {Boundary Value Problems for Linear Systems of Ordinary Differential Equations Involving Many Small Parameters},
    journal = {Indiana Univ. Math. J.},
     volume = {18},
       year = {1969},
     number = {9},
      pages = {835 \ndash 855},
}